MST-4 Master Station Phone (Optional)

The master station can connect to up to 4 CN-8 routers and 32 ADA phones. Master stations can selectively connect to any single, any combination, or all ADA phones and user can add or disconnect ADA phones at will.

Four line phone for use as machine room, security desk, fire control, etc. One year warranty beginning at date of registry rather than date of purchase.